A recursive procedure for optimally designing a hybrid fault diagnosable system. - Tohru Kohda; Ken-ichi Abiru (FTCS, 1988)

Switched capacitor circuit for 1/f noise generation using a power-law circuit. - Kenji Murao; Tohru Kohda (Int. J. Circuit Theory Appl., 1994)

A Simple Discriminator for Identifying Faults in Highly Structured Diagnosable Systems. - Tohru Kohda (J. Circuits Syst. Comput., 1994)

Control method for preloading with priority information in an integrated radiology information system/picture archiving and communication system. - Eitaro Nishihara; Hiroyuki Kura; Gen Kubota; Tohru Kohda (J. Digit. Imaging, 1997)

Statistics of chaotic binary sequences. - Tohru Kohda; Akio Tsuneda (IEEE Trans. Inf. Theory, 1997)

Sequences of I.I.D. Binary Random Variables Using Chaotic Dynamics. - Tohru Kohda (SETA, 1998)

The Jacobian elliptic Chebyshev rational maps can generate sequences of i.i.d. random variables. - Tohru Kohda; Hiroshi Fujisaki (ISCAS, 2000)

On distributions of correlation values of spreading sequences based on Markov information sources. - Tohru Kohda; Hiroshi Fujisaki; Shigeru Ideue (ISCAS, 2000)

Constant Sum Implies Statistical Independence of Chaotic Sequences. - Tohru Kohda (SETA, 2001)

Self-Organizing Systems with Self-Diagnosability. - Kiyoaki Yoshida; Tohru Kohda; Yasumasa Sujaku (DSN, 2002)

Statistical Properties of Chaotic Binary Sequences Generated by One-Dimensional Maps. - Yasutada Oohama; Tohru Kohda (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Information sources using chaotic dynamics. - Tohru Kohda (Proc. IEEE, 2002)

Spread-spectrum Markovian-code acquisition in asynchronous DS/CDMA systems. - Tohru Kohda; Yutaka Jitsumatsu; Tahir Abbas Khan (ISCAS (3), 2003)

Construction of a Piecewise Linear One-Dimensional Map Generating an Arbitrary Prescribed Tree Source. - Yasutada Oohama; Mariko Suemitsu; Tohru Kohda (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

A Recursive Procedure for Designing Optimal d-Matched Digraphs. - Kiyoaki Yoshida; Yasumasa Sujaku; Tohru Kohda (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Number of mutual connections in neighborhoods and its application to self-diagnosable systems. - Kiyoaki Yoshida; Yasumasa Sujaku; Tohru Kohda (Inf. Process. Lett., 2003)

Markovian SS codes imply inversion-free code acquisition in asynchronous DS/CDMA systems. - Nobuoki Eshima; Yutaka Jitsumatsu; Tohru Kohda (ISCAS (4), 2004)

Statistical properties of chaotic sequences generated by Jacobian elliptic Chebyshev rational maps. - Tohru Kohda (ISCAS (5), 2004)

Resonance properties of Chebyshev chaotic sequences. - Tomohiro Yoshimura; Tohru Kohda (ISCAS (4), 2004)

Design of code-matched receiver for DS/CDMA communications. - Yutaka Jitsumatsu; Tohru Kohda (ISCAS (2), 2005)

Solvable 2-dimensional rational chaotic map defined by Jacobian elliptic functions. - Aya Kato; Tohru Kohda (ISCAS (2), 2005)

A novel code acquisition algorithm and its application to Markov spreading codes. - Tohru Abbas Khan; Nobuoki Eshima; Yutaka Jitsumatsu; Tohru Kohda (ISCAS (3), 2005)

Code Acquisition in DS/CDMA Systems by Employing a Detector Based on a posteriori Probability Calculation. - Tahir Abbas Khan; Nobuoki Eshima; Yutaka Jitsumatsu; Tohru Kohda (IEICE Trans. Commun., 2005)

Special Section on Nonlinear Theory and its Applications. - Tohru Kohda (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Gaussian Chip Waveform Together with Markovian Spreading Codes Improve BER Performance in Chip-Asynchronous CDMA Systems. - Yutaka Jitsumatsu; Tahir Abbas Khan; Tohru Kohda (GLOBECOM, 2006)

Gaussian chip shaping enhances the superiority of Markovian codes in DS/CDMA systems. - Yutaka Jitsumatsu; Tohru Kohda (ISCAS, 2006)

A lower bound on the mean squared correlations for band-limited asynchronous DS/CDMA systems. - Yutaka Jitsumatsu; Tohru Kohda (ISIT, 2006)

Chip-Asynchronous Version of Welch Bound: Gaussian Pulse Improves BER Performance. - Yutaka Jitsumatsu; Tohru Kohda (SETA, 2006)

Statistical approach to the code acquisition problem in direct-sequence spread-spectrum communication systems. - Nobuoki Eshima; Tohru Kohda (IMA J. Math. Control. Inf., 2006)

Welch Bound for FIR Lowpass Filtered Sequences. - Yutaka Jitsumatsu; Tohru Kohda (ISIT, 2007)

Cryptanalysis of Chaos-Based ElGamal Public-Key Encryption. - Ryuichi Hane; Tohru Kohda (Int. J. Bifurc. Chaos, 2007)

Solvable Three-Dimensional Rational Chaotic Map Defined by Jacobian Elliptic Functions. - Asuka Ono; Tohru Kohda (Int. J. Bifurc. Chaos, 2007)

Statistical solution to the capacity problem in direct-sequence code-division multiple-access communication systems. - Nobuoki Eshima; Tohru Kohda; Minoru Tabata (IMA J. Math. Control. Inf., 2007)

Quasi-Orthogonal Multi-Carrier CDMA. - Yutaka Jitsumatsu; Tohru Kohda (GLOBECOM, 2008)

Prolate spheroidal wave functions induce Gaussian chip waveforms. - Yutaka Jitsumatsu; Tohru Kohda (ISIT, 2008)

Negative Beta Encoder - Tohru Kohda; Satoshi Hironaka; Kazuyuki Aihara (CoRR, 2008)

Low-Complexity Code Acquisition Method in DS/CDMA Communication Systems: Application of the Maximum Likelihood Method to Propagation Delay Estimation. - Nobuoki Eshima; Tohru Kohda (IEICE Trans. Commun., 2008)

Earthquake onset detection using spectro-ratio on multi-threshold time-frequency sub-band. - Ali Gamal Hafez; Tahir Abbas Khan; Tohru Kohda (Digit. Signal Process., 2009)

Clear P-wave arrival of weak events and automatic onset determination using wavelet filter banks. - Ali Gamal Hafez; Muhammad Tahir Abbas Khan; Tohru Kohda (Digit. Signal Process., 2010)

2D Markovian SS codes flatten time-frequency distribution of signals in asynchronous Gabor division CDMA systems. - Tohru Kohda; Yutaka Jitsumatsu; Kazuyuki Aihara (ICASSP, 2011)

Frequency-division spread-spectrum makes frequency synchronisation easy. - Tohru Kohda; Yutaka Jitsumatsu; Kazuyuki Aihara (GLOBECOM, 2012)

Frequency synchronisation using SS technique. - Tohru Kohda; Yutaka Jitsumatsu; Kazuyuki Aihara (ISWCS, 2012)

Welch Bound for Bandlimited and Timelimited Signals. - Yutaka Jitsumatsu; Tohru Kohda; Kazuyuki Aihara (SETA, 2012)

Beta encoders: Symbolic Dynamics and Electronic Implementation. - Tohru Kohda; Yoshihiko Horio; Yoichiro Takahashi; Kazuyuki Aihara (Int. J. Bifurc. Chaos, 2012)

Spread spectrum-based cooperative and individual time-frequency synchronization. - Yutaka Jitsumatsu; Tohru Kohda; Kazuyuki Aihara (ISWCS, 2013)

Recovering noncoherent MPSK signal with unknown delay and Doppler using its ambiguity function. - Tohru Kohda; Yutaka Jitsumatsu; Kazuyuki Aihara (ITST, 2013)

Signals that can be easily time-frequency synchronized from their ambiguity function. - Tohru Kohda; Yutaka Jitsumatsu; Kazuyuki Aihara (ITW, 2013)

Delay-Doppler Space Division-Based Multiple-Access Solves Multiple-Target Detection. - Yutaka Jitsumatsu; Tohru Kohda; Kazuyuki Aihara (MACOM, 2013)

Gabor Division/Spread Spectrum System Is Separable in Time and Frequency Synchronization. - Tohru Kohda; Yutaka Jitsumatsu; Kazuyuki Aihara (VTC Fall, 2013)

PLL-free receiver for Gabor division/spread spectrum system. - Tohru Kohda; Yutaka Jitsumatsu; Kazuyuki Aihara (WiMob, 2013)

Detection of precursory signals in front of impulsive P-waves. - Ali Gamal Hafez; Mostafa Rabie; Tohru Kohda (Digit. Signal Process., 2013)

Seismic noise study for accurate P-wave arrival detection via MODWT. - Ali Gamal Hafez; Mostafa Rabie; Tohru Kohda (Comput. Geosci., 2013)

Digital Phase Updating Loop and Delay-Doppler Space Division Multiplexing for Higher Order MPSK. - Yutaka Jitsumatsu; Tohru Kohda (MACOM, 2014)

Phase-tuned layers with multiple 2D SS codes realize 16PSK communication. - Tohru Kohda; Yutaka Jitsumatsu; Kazuyuki Aihara (WCNC, 2014)